I really need help with this problem, i will give brainliest to the right answer and step by step

Answer:
g(2) = 2
Step-by-step explanation:
"g(2)" means using the equation using g(x) and when x = 2
g(x) = x^2 - x
g(2) = (2)^2 - 2
g(2) = 4 - 2
g(2) = 2